Which bore (diameter) of the needle is the smallest?
23 gauge needle
The common needle gauges used for drawing blood with an evacuated system are?
20, 21, 22 gauge
Through which lies needle will blood flow the fastest?
20
The unit of liquid volume in the metric system is the:
liter
The gauge of the needle indicates the following relationship: The larger the gauge number, the:
Smaller the diameter of the bore
In general Khama a syringe is used when drawing specimens and/or patients, except for:
Request for multiple testing, requiring different anticoagulants and multiple tubes
Which anticoagulant prevents coagulation of blood by removing calcium through the formation of insoluble calcium salt?
EDTA oxalate citrate
You are preparing to draw blood for mall told Tess and several tubes. The best and most cost efficient technique would be:
Evacuated tube system
The anticoagulant heparin is used for blood gasses and other chemistry test. It works by:
Preventing the conversion of prothrombin to throbbin
All of the following statements are true except:
grey-stopped tubes are used for CBS and WBC test
10ML is the same as:
10cc
Blood is needed for routine bleeding and coagulation studies "PT,PTT". Which color tube top is to be used?
Light blue
When serum is needed for testing, which tube listed should be used?
red
The anticoagulant preferred for hematology testing is:
EDTA
Contains no additive
glass red top tube
An antioagulant with glycolytic inhibitors "prevent glycolysis
grey top tube
The anticoagulant that preserves the cell morphology for a differential
Lavender top tube
contains EDTA
Lavender top tube
Requires a 1:9ratio
Light blue top tube
Contains heparin
Green top tube
Contains oxalate
Gray top tube